The good thing about being one of the stars of GLEE? You get the chance to do nerdy things you love!

According THE CLEVELAND SHOW’s Mike Henry (Cleveland) and executive producer Rich Appel, GLEE’s Darren Criss (Blaine) has been a long-time fan of their show, so because he’s Darren freakin’ Criss, they gave him a part in this Sunday’s episode.

What will Criss be up to? Take a look at some teases, plus a cute anecdote about Criss’ love for the Fox animated shows…

Here’s Darren and Fergie in one of tomorrow night’s musical numbers.Check back on Sunday for more clips from Darren’s episode of THE CLEVELAND SHOW.